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Siemens SINUMERIK Controller
Parameter · Intermediate · 30-120 minutes
Siemens 4060 - Standard machine data loaded ( , , , )
ALARM 4060 indicates that standard machine data (MD) have been reloaded into the NCK memory, typically due to loss of MD buffer backup power, a deliberate cold start, or MD initialization request via MD 11200. This is an informational alarm that documents a system state change rather than a fault condition.
4060
Siemens 4060 - Standard machine data loaded ( , , , )
Standard machine data loaded (,,)
The standard MD were loaded because - a cold start was requested or - the MD buffer voltage failed or - an initialization was requested for loading the standard machine data (MD11200 $MN_INIT_MD) Control reaction: Alarm display.
Root Cause Summary
ALARM 4060 indicates that standard machine data (MD) have been reloaded into the NCK memory, typically due to loss of MD buffer backup power, a deliberate cold start, or MD initialization request via MD 11200. This is an informational alarm that documents a system state change rather than a fault condition.
Safety
- Only qualified personnel should diagnose and clear control alarms; follow the machine builder's safety procedures and lockout/tagout where hardware work is required.
Causes and Fixes
- 1
Check backup battery status on the NCK board. Verify battery voltage (typically 3.6V lithium cell) using a multimeter on connector pins designated for backup power. Battery life is typically 5-10 years.
Do not attempt battery replacement without proper ESD precautions and documented procedure per Siemens service manual.
- 2
Verify UPS/PSU output voltage stability. Check 24VDC and 5VDC supply rails on the control cabinet using oscilloscope. Look for voltage sag events that trigger POWER_FAIL input (typically active low when supply < 18VDC).
- 3
Monitor alarm log via HMI or Siemens SCOUT software. Cross-reference 4060 occurrence timestamp with power event logs. If pattern shows repeated 4060 after brief power interruptions, the backup battery or PSU regulation requires replacement.
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Always verify with your machine manual or a certified technician before performing service procedures.